Design and evaluation of a variable-flux flux-intensifying interior permanent magnet machine

Natee Limsuwan, Takashi Kato, Kan Akatsu, Robert D. Lorenz

研究成果: Conference contribution

31 被引用数 (Scopus)

抄録

This paper presents a design approach for interior permanent magnet (IPM) machines with variable-flux characteristics using low coercive force magnet material for improved efficiency and extended operating speed range. A flux-intensifying interior permanent (FI-IPM) type having Ld > Lq is used in the design due to positive Id operation and reduced load Iq effects. Design consideration of machine structures and variable-flux machine attributes are discussed. In addition, leakage flux in a rotor is specially designed to obtain another degree-of-freedom in variable-flux control as well. Evaluation of the designed machine is provided using FEA simulations and experimental evaluation of a proof-of-principle prototype machine. The designed machine shows benefits in improving efficiency and extending the range of the torque-speed map when magnetization level of the low coercive force magnet is operated at the optimal levels.

本文言語English
ホスト出版物のタイトル2012 IEEE Energy Conversion Congress and Exposition, ECCE 2012
ページ3670-3677
ページ数8
DOI
出版ステータスPublished - 2012 12月 17
イベント4th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2012 - Raleigh, NC, United States
継続期間: 2012 9月 152012 9月 20

出版物シリーズ

名前2012 IEEE Energy Conversion Congress and Exposition, ECCE 2012

Conference

Conference4th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2012
国/地域United States
CityRaleigh, NC
Period12/9/1512/9/20

ASJC Scopus subject areas

  • エネルギー工学および電力技術
  • 燃料技術

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